I2C I/O Expander, 40 I/Os, 5.5V, 400kHz, QFN
I2C/SMBus I/O Expander, 400kHz, 3.6V, 8-IO, VQFN
I2C/SMBus Interface 400kHz 3.6V 20-Pin HVQFN EP T/R
